.middle > div {
    border: 1px solid gray;
}

.middle > div > div:nth-child(2) {
    padding: 10px;

}

.title {
    border-bottom: 1px solid gray;
}


/*--------------------留言内容-------------------------*/
.middle > div > div:nth-child(2) {
    display: flex;
    justify-content: center;
}

.middle > div > div:nth-child(2) > div {

    /*border: 1px solid blue;*/
}

.middle > div > div:nth-child(2) > div > div:nth-child(1) > div:nth-child(1) > div {
    display: flex;

}

.middle > div > div:nth-child(2) > div > div:nth-child(1) > div:nth-child(1) {
    display: flex;
    justify-content: center;

}

.middle > div > div:nth-child(2) > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) {
    display: flex;
    align-items: center;
}

.middle > div > div:nth-child(2) > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) {
}

.middle > div > div:nth-child(2) > div > div:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(2) {
    color: orange;
}

/*-------------------*/
.middle > div > div:nth-child(2) > div {
    display: flex;
    flex-direction: column-reverse;
}

.middle > div > div:nth-child(2) > div > div:nth-child(2) {
    display: flex;
    justify-content: center;
}
.middle > div > div:nth-child(2) > div > div:nth-child(2)>div{
    width: 800px;
    height: 500px;
}
.container {
    overflow: hidden;
    width: 100%;
    height: 100%;
    margin: 0;
    font-family: "微软雅黑";
}